Math, asked by mlal306, 1 year ago

first term of an A.P ia 5 and common difference is 4 find the sum of first 12 terms of A.P

Answers

Answered by shyrosekaur
6
hii mate
sum is 324
steps are shown
hope this is helpful
Attachments:
Answered by nilamverma657patq0n
3
Hey friend, Here is your answer -
Here , t1 = a = 5 and d=4 and n= 12
We have formula, Sn=n/2 (2a+(n-1)d)
S12=12/2(2×5+(12-1)4)
=6 (10+44)
= 6×54
Sn= 324

Hope it will help you friend.
Make me brainliest please.
Similar questions